/*-
 * Copyright (c) 2009 Alexander Motin <mav@FreeBSD.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer,
 *    without modification, immediately at the beginning of the file.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: release/9.0.0/sys/cam/ata/ata_all.h 220886 2011-04-20 13:27:50Z mav $
 */

#ifndef	CAM_ATA_ALL_H
#define CAM_ATA_ALL_H 1

#include <sys/ata.h>

struct ccb_ataio;
struct cam_periph;
union  ccb;

#define	SID_DMA		0x10	/* Abuse inq_flags bit to track enabled DMA. */

struct ata_cmd {
	u_int8_t	flags;		/* ATA command flags */
#define		CAM_ATAIO_48BIT		0x01	/* Command has 48-bit format */
#define		CAM_ATAIO_FPDMA		0x02	/* FPDMA command */
#define		CAM_ATAIO_CONTROL	0x04	/* Control, not a command */
#define		CAM_ATAIO_NEEDRESULT	0x08	/* Request requires result. */
#define		CAM_ATAIO_DMA		0x10	/* DMA command */

	u_int8_t	command;
	u_int8_t	features;

	u_int8_t	lba_low;
	u_int8_t	lba_mid;
	u_int8_t	lba_high;
	u_int8_t	device;

	u_int8_t	lba_low_exp;
	u_int8_t	lba_mid_exp;
	u_int8_t	lba_high_exp;
	u_int8_t	features_exp;

	u_int8_t	sector_count;
	u_int8_t	sector_count_exp;
	u_int8_t	control;
};

struct ata_res {
	u_int8_t	flags;		/* ATA command flags */
#define		CAM_ATAIO_48BIT		0x01	/* Command has 48-bit format */

	u_int8_t	status;
	u_int8_t	error;

	u_int8_t	lba_low;
	u_int8_t	lba_mid;
	u_int8_t	lba_high;
	u_int8_t	device;

	u_int8_t	lba_low_exp;
	u_int8_t	lba_mid_exp;
	u_int8_t	lba_high_exp;

	u_int8_t	sector_count;
	u_int8_t	sector_count_exp;
};

int	ata_version(int ver);

char *	ata_op_string(struct ata_cmd *cmd);
char *	ata_cmd_string(struct ata_cmd *cmd, char *cmd_string, size_t len);
char *	ata_res_string(struct ata_res *res, char *res_string, size_t len);
int	ata_command_sbuf(struct ccb_ataio *ataio, struct sbuf *sb);
int	ata_status_sbuf(struct ccb_ataio *ataio, struct sbuf *sb);
int	ata_res_sbuf(struct ccb_ataio *ataio, struct sbuf *sb);

void	ata_print_ident(struct ata_params *ident_data);

uint32_t	ata_logical_sector_size(struct ata_params *ident_data);
uint64_t	ata_physical_sector_size(struct ata_params *ident_data);
uint64_t	ata_logical_sector_offset(struct ata_params *ident_data);

void	ata_28bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint8_t features,
    uint32_t lba, uint8_t sector_count);
void	ata_48bit_cmd(struct ccb_ataio *ataio, uint8_t cmd, uint16_t features,
    uint64_t lba, uint16_t sector_count);
void	ata_ncq_cmd(struct ccb_ataio *ataio, uint8_t cmd,
    uint64_t lba, uint16_t sector_count);
void	ata_reset_cmd(struct ccb_ataio *ataio);
void	ata_pm_read_cmd(struct ccb_ataio *ataio, int reg, int port);
void	ata_pm_write_cmd(struct ccb_ataio *ataio, int reg, int port, uint32_t val);

void	ata_bswap(int8_t *buf, int len);
void	ata_btrim(int8_t *buf, int len);
void	ata_bpack(int8_t *src, int8_t *dst, int len);

int	ata_max_pmode(struct ata_params *ap);
int	ata_max_wmode(struct ata_params *ap);
int	ata_max_umode(struct ata_params *ap);
int	ata_max_mode(struct ata_params *ap, int maxmode);

char *	ata_mode2string(int mode);
int	ata_string2mode(char *str);
u_int	ata_mode2speed(int mode);
u_int	ata_revision2speed(int revision);
int	ata_speed2revision(u_int speed);

int	ata_identify_match(caddr_t identbuffer, caddr_t table_entry);
int	ata_static_identify_match(caddr_t identbuffer, caddr_t table_entry);

#endif
